Home / 90,639,510.42-135,985,796.21-29,227,434.04

Finding the Fourth Proportional to 90,639,510.42, 135,985,796.21 and 29,227,434.04

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Solution

The fourth proportional to 90,639,510.42, 135,985,796.21 and 29,227,434.04 is: 43,849,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,639,510.42 : 135,985,796.21 = 29,227,434.04 : x
  2. Step 2: Convert to fraction form
    90,639,510.42/135,985,796.21 = 29,227,434.04/x
  3. Step 3: Cross multiply
    90,639,510.42x = 135,985,796.21 × 29,227,434.04
  4. Step 4: Simplify right side
    90,639,510.42x = 3,974,515,889,104,657
  5. Step 5: Solve for x
    x = 3,974,515,889,104,657/90,639,510.42
  6. Step 6: Final answer
    x = 43,849,706.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.